1394019012 has 12 divisors (see below), whose sum is σ = 3252711056. Its totient is φ = 464673000.

The previous prime is 1394019007. The next prime is 1394019017. The reversal of 1394019012 is 2109104931.

It is an interprime number because it is at equal distance from previous prime (1394019007) and next prime (1394019017).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1394019012² = 3886578011634912288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1394019017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58084114 + ... + 58084137.

Almost surely, 2^1394019012 is an apocalyptic number.

1394019012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1394019012 is an abundant number, since it is smaller than the sum of its proper divisors (1858692044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394019012 is a wasteful number, since it uses less digits than its factorization.

1394019012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116168258 (or 116168256 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1394019012 is about 37336.5640090247. The cubic root of 1394019012 is about 1117.0936049603.

The spelling of 1394019012 in words is "one billion, three hundred ninety-four million, nineteen thousand, twelve".